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Does \(4^a = 4^{-a} + b?\)

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Does \(4^a = 4^{-a} + b?\)

by VJesus12 » Tue Oct 20, 2020 5:28 am

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Does \(4^a = 4^{-a} + b?\)

(1) \(16^a = 1 + \dfrac{2^{2a}}{b^{-1}}\)
(2) \(a = 2\)

Answer: A

Source: Manhattan GMAT
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